package com.glela.api.aliyun;

import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Map;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @Title: 身份证验证
 * @Description: 身份证实名制
 * @author gwq
 * @date 2018年04月12日 下午3:21:27
 */
public class IdcardAPI {

	private static final Logger logger = LoggerFactory.getLogger(IdcardAPI.class);
	final static Map<Integer, String> zoneNum = new HashMap<Integer, String>();
	final static int[] PARITYBIT = { '1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2' };
	final static int[] POWER_LIST = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };
	static {
		zoneNum.put(11, "北京");
		zoneNum.put(12, "天津");
		zoneNum.put(13, "河北");
		zoneNum.put(14, "山西");
		zoneNum.put(15, "内蒙古");
		zoneNum.put(21, "辽宁");
		zoneNum.put(22, "吉林");
		zoneNum.put(23, "黑龙江");
		zoneNum.put(31, "上海");
		zoneNum.put(32, "江苏");
		zoneNum.put(33, "浙江");
		zoneNum.put(34, "安徽");
		zoneNum.put(35, "福建");
		zoneNum.put(36, "江西");
		zoneNum.put(37, "山东");
		zoneNum.put(41, "河南");
		zoneNum.put(42, "湖北");
		zoneNum.put(43, "湖南");
		zoneNum.put(44, "广东");
		zoneNum.put(45, "广西");
		zoneNum.put(46, "海南");
		zoneNum.put(50, "重庆");
		zoneNum.put(51, "四川");
		zoneNum.put(52, "贵州");
		zoneNum.put(53, "云南");
		zoneNum.put(54, "西藏");
		zoneNum.put(61, "陕西");
		zoneNum.put(62, "甘肃");
		zoneNum.put(63, "青海");
		zoneNum.put(64, "新疆");
		zoneNum.put(71, "台湾");
		zoneNum.put(81, "香港");
		zoneNum.put(82, "澳门");
		zoneNum.put(91, "外国");
	}

	/**
	 * 身份证验证
	 * 
	 * @param 号码内容
	 * @return 是否有效 null和"" 都是false
	 */
	private static boolean isIDCard(String certNo) {
		if (certNo == null || (certNo.length() != 15 && certNo.length() != 18))
			return false;
		final char[] cs = certNo.toUpperCase().toCharArray();
		// 校验位数
		int power = 0;
		for (int i = 0; i < cs.length; i++) {
			if (i == cs.length - 1 && cs[i] == 'X')
				break;// 最后一位可以 是X或x
			if (cs[i] < '0' || cs[i] > '9')
				return false;
			if (i < cs.length - 1) {
				power += (cs[i] - '0') * POWER_LIST[i];
			}
		}

		// 校验区位码
		if (!zoneNum.containsKey(Integer.valueOf(certNo.substring(0, 2)))) {
			return false;
		}

		// 校验年份
		String year = certNo.length() == 15 ? getIdcardCalendar() + certNo.substring(6, 8) : certNo.substring(6, 10);

		final int iyear = Integer.parseInt(year);
		if (iyear < 1900 || iyear > Calendar.getInstance().get(Calendar.YEAR))
			return false;// 1900年的PASS，超过今年的PASS

		// 校验月份
		String month = certNo.length() == 15 ? certNo.substring(8, 10) : certNo.substring(10, 12);
		final int imonth = Integer.parseInt(month);
		if (imonth < 1 || imonth > 12) {
			return false;
		}

		// 校验天数
		String day = certNo.length() == 15 ? certNo.substring(10, 12) : certNo.substring(12, 14);
		final int iday = Integer.parseInt(day);
		if (iday < 1 || iday > 31)
			return false;

		// 校验"校验码"
		if (certNo.length() == 15)
			return true;
		return cs[cs.length - 1] == PARITYBIT[power % 11];
	}

	private static int getIdcardCalendar() {
		GregorianCalendar curDay = new GregorianCalendar();
		int curYear = curDay.get(Calendar.YEAR);
		int year2bit = Integer.parseInt(String.valueOf(curYear).substring(2));
		return year2bit;
	}

	/**
	 * 检验名字的格式
	 * 
	 * @param name 名字
	 * @return json
	 */
	private static boolean ChineseNameCheck(String name) {
		if (!name.matches("[\u4e00-\u9fa5]{2,4}")) {
			return false;
		} else {
			return true;
		}
	}

	/**
	 * 联卓实名制认证
	 * 
	 * @param cardno 身份证号
	 * @param name 名字
	 * @return json
	 */
	public static String lianzhuoIdcard(String cardno, String name) {
		if(!isIDCard(cardno)||!ChineseNameCheck(name)) {//身份证号 或者名字错误{核实 时间或者是区号不对 名字是2~4个汉字}
			return null;
		}
		Map<String, String> headers = new HashMap<String, String>();
		headers.put("Authorization", "APPCODE " + aliyunConfig.LIANZHUO_IDCARD_APPCODE);
		Map<String, String> querys = new HashMap<String, String>();
		querys.put("cardno", cardno);
		querys.put("name", name);
		try {
			HttpResponse response = HttpUtils.doGet(aliyunConfig.LIANZHUO_IDCAR_DURL, null, "GET", headers, querys);
			return EntityUtils.toString(response.getEntity());
		} catch (Exception e) {
			logger.error("{身份证实名制认证错误: lianzhuoIdcard:{}}", e.getMessage());
			return "error";
		}
	}
}
